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THW-90 350 KCMIL
THW-90 350 KCMIL
Application generally in fixed installation, wet and heat resistant
Read more- Nexans ref. : P00019725-2
Description
Description
Standards
-
ProductIEC 60227-2; IEC 60228; NTP 370.252
-
TestUL 2556
-
NationalNTP 370.250
Application
In fixed installations, in buildings, dry or wet indoor locations, control board connections and generally in all installations requiring a current capacity greater than TW-80 cable.
Calculation of Current Condition L.V.; 90°C
CALCULATION OF CURRENT CONDITION
Maximum conductor temperature : 90°C.
Ambient air temperature : 30°C.
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Conductor material
Soft copper
Insulating material
PVC
Colour
Customer Request
Lead free
Yes
Conductor flexibility
Class B
Conductor shape
Compact stranded
Number of conductors
1
Dimensional characteristics
Dimensional characteristics
Conductor cross-section (AWG/KCMIL)
Conductor cross-section
350 kcmil
Total number of wires
37
Conductor diameter
15.7 mm
Minimum insulation thickness
2.41 mm
Nominal outer diameter
20.7 mm
Approximate weight
1779 kg/km
Electrical characteristics
Electrical characteristics
Rated Voltage Uo/U (Um)
450/750 V
Dielectric strength
3.0 kV
Time of application Dielectric strength core to screen AC
1 min.
Max. DC resistance of the conductor at 20°C
0.1031 Ohm/km
Nominal capacitance
1608.0 pF/m
Perm current rating in air 30°C
570 A
Perm current rating in duct 30°C
350 A
Usage characteristics
Usage characteristics
Oil resistance
Oil resistance II
Flame retardant
UL 1581 VW1
Maximum operating temperature
90 °C
Overload maximum core temperature
130 °C
Short-circuit max. conductor temperature
250 °C
Midspan
Yes
Reference
08
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